DTC Logic

Diagnosis Procedure
1.CHECK USB HARNESS
Visually check USB harness.
U1243 display unit
U1255 satellite radio tunerRear combination lamp
Disassembly and Assembly
Rear combination lamp
Rear side marker lamp socket
Rear side marker lamp bulb
Rear turn signal lamp socket
Rear turn signal lamp bulb
Back-up lamp socket
Back-up lamp bulb
DISASSEMBLY
Rotate the rear side marker lamp socket counterclockwise and ...
Relay control system
System Diagram
System Description
IPDM E/R activates the internal control circuit to perform the relay ON-OFF
control according to the input signals
from various sensors and the request signals received from control units via CAN
communication.
CAUTION:
IPDM E/R integrated relays cann ...
Subwoofer
Description
The AV control unit sends audio signals to the BOSE speaker amp. The BOSE
speaker amp. amplifies the
audio signals before sending them to the subwoofers using the audio signal
circuits.
Diagnosis Procedure
1.CONNECTOR CHECK
Check the AV control unit, BOSE speaker amp. and subwo ...